YAMAHA YZ 250X 2019 — Complete Specifications, Performance Review, and Market Comparison

The YAMAHA YZ 250X 2019 is a purpose-built two-stroke off-road motorcycle designed for enduro racing, trail riding, and technical terrain. Built on Yamaha’s proven YZ motocross platform, this model features off-road–specific tuning, a wide-ratio transmission, and suspension optimized for woods and endurance riding. The YAMAHA YZ 250X 2019 is widely recognized for its reliability, lightweight handling, and strong low-to-midrange power delivery, making it a competitive choice for serious off-road riders.

Engine and Performance

The YAMAHA YZ 250X 2019 uses a 249 cc liquid-cooled, single-cylinder, two-stroke engine with reed-valve induction. It delivers responsive throttle control and aggressive acceleration while remaining manageable in tight trail conditions.

Engine specifications:

Displacement: 249 cc
Engine type: 2-stroke, liquid-cooled, reed-valve
Bore × Stroke: 66.4 × 72.0 mm
Compression ratio: 7.9–9.4:1
Fuel delivery: Keihin PWK38S carburetor
Ignition: CDI
Starter system: Kick start

The powerband of the YAMAHA YZ 250X 2019 is tuned for off-road use, offering smoother torque delivery compared to the motocross-focused YZ250, helping riders maintain traction on rocky climbs and wooded trails. Moto Trips+1

Transmission and Drivetrain

Designed specifically for trail riding, the YAMAHA YZ 250X 2019 features a wide-ratio 5-speed transmission, allowing better low-speed control in technical sections and higher cruising efficiency on open terrain.

Drivetrain details:

Transmission: 5-speed wide-ratio
Final drive: Chain (O-ring chain)
Clutch: Wet multi-disc
Primary ratio: 3.000
Final drive ratio: 3.571

This gearing configuration improves versatility across multiple riding conditions, making the YAMAHA YZ 250X 2019 suitable for both enduro competition and recreational trail use.

Chassis, Suspension, and Handling

The YAMAHA YZ 250X 2019 is built on a lightweight aluminum frame that balances rigidity with agility. Suspension components are supplied by KYB, tuned for comfort and control over uneven terrain.

Suspension and chassis highlights:

Frame type: Aluminum semi-double cradle
Front suspension: KYB 48 mm inverted fork, fully adjustable (300 mm travel)
Rear suspension: KYB single shock, fully adjustable (315 mm travel)
Rake: 27.7°
Trail: 122 mm (4.8 inches)

This setup provides excellent impact absorption, predictable cornering, and stability during high-speed off-road riding on the YAMAHA YZ 250X 2019.

Brakes, Wheels, and Tires

Braking on the YAMAHA YZ 250X 2019 is optimized for dirt and trail conditions, delivering strong stopping power and consistent modulation.

Brake and wheel specifications:

Front brake: 270 mm hydraulic disc
Rear brake: 245 mm hydraulic disc
Front tire: 90/90-21 Dunlop AT81F
Rear tire: 110/100-18 Dunlop AT81
Wheel sizes: 21-inch front / 18-inch rear

The 18-inch rear wheel improves traction and durability, which is especially beneficial for technical off-road environments.

Dimensions, Weight, and Ergonomics

The YAMAHA YZ 250X 2019 maintains a lightweight and tall stance, ideal for experienced riders navigating challenging terrain.

Key dimensions:

Wet weight: 229 lb (104 kg)
Seat height: 970 mm (38.2 inches)
Wheelbase: 1,485 mm (58.5 inches)
Ground clearance: 360 mm (14.2 inches)
Fuel capacity: 7.95 liters (2.10 gallons)

These dimensions contribute to responsive handling, excellent ground clearance, and comfortable rider ergonomics.

Comparison with Related Off-Road Models

YAMAHA YZ 250X 2019 vs Yamaha YZ250 (Motocross)
The YZ250 is tuned for track racing, while the YAMAHA YZ 250X 2019 features a wider transmission, off-road suspension tuning, and improved low-end torque for trails.

YAMAHA YZ 250X 2019 vs KTM 250 XC
The KTM 250 XC offers electric start and fuel injection on newer models, but the Yamaha is often praised for lower maintenance costs and long-term reliability.

YAMAHA YZ 250X 2019 vs Husqvarna TE 250
The Husqvarna TE 250 provides more premium components and street-legal options in some markets, while the Yamaha maintains a simpler, race-focused design.

Final Verdict

The YAMAHA YZ 250X 2019 remains a strong contender in the two-stroke enduro category, offering lightweight construction, durable engineering, proven KYB suspension, and reliable two-stroke performance. Whether used for competitive racing or aggressive trail riding, the YAMAHA YZ 250X 2019 delivers excellent value, manageable power, and consistent performance across demanding terrain.